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What predefined macro can I use to detect clang?
...e compiler uses, use this:
clang -dM -E -x c /dev/null
You can do the same for gcc.
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Stream.Seek(0, SeekOrigin.Begin) or Position = 0
When you need to reset a stream to beginning (e.g. MemoryStream ) is it best practice to use
2 Answers
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Remove the error indicator from a previously-validated EditText widget
... am using an EditText widget, and I am validating it with the setError() method of EditText and it validates correctly.
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Locking a file in Python
...It will be accessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
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jQuery/Javascript function to clear all the fields of a form [duplicate]
...not clearing fields - see update.
You can use JavaScript's native reset() method to reset the entire form to its default state.
Example provided by Ryan:
$('#myForm')[0].reset();
Note: This may not reset certain fields, such as type="hidden".
UPDATE
As noted by IlyaDoroshin the same thing ca...
git - diff of current changes before committing
...s the job. Staging area is the data from which the next commit will be formed by git commit.
P. S. Good reading (IMO) for Git beginners:
https://git-scm.com/book/en/v2 (most chapters; it explains the model behind Git and answers most of typical questions)
and then immediately http://gitready.com...
How to force file download with PHP
...be downloaded upon the user visiting a web page with PHP. I think it has something to do with file_get_contents , but am not sure how to execute it.
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How to delete a folder and all contents using a bat file in windows?
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Regex to check whether a string contains only numbers [duplicate]
...f" . I would like to check if the hash only contains numbers. Did I miss something?
21 Answers
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How do I programmatically determine operating system in Java?
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You can use:
System.getProperty("os.name")
P.S. You may find this code useful:
class ShowProperties {
public static void main(String[] args) {
System.getProperties().list(System.out);
}
}
All it does is print out all the properties provided b...